Ive posted before ...
It wasn't pleasant first time to post, but I understand your minds now, so will make it easier now....
I'm something you might hear and know, I help you learn, and sometimes grow. My length is long, but don't be shy, Convert me back and you’ll know why.
Base64: U2VlIG1lLCBoZWFyIG1lLCBhbmQgcmVwZWF0IG1lLg==
What am I?
Wait for more, rewards will be included later!